org.jboss.osgi.resolver.spi
Class AbstractCapabilityWrapper

java.lang.Object
  org.jboss.osgi.resolver.spi.AbstractCapabilityWrapper

All Implemented Interfaces:

XAttachmentSupport, XAttributeSupport, XCapability, XDirectiveSupport, XElement, Capability

public class AbstractCapabilityWrapper
extends Object
implements XCapability

A wrapper for XCapability.

Since:

30-May-2012

Author:

thomas.diesler@jboss.com

Constructor Summary

AbstractCapabilityWrapper(XCapability delegate)

Method Summary

<T extends XCapability> T	adapt(Class<T> clazz) Adapt this capability to another type
<T> T	addAttachment(Class<T> clazz, T value) Attach an arbirtary object with this element.
boolean	equals(Object obj) Compares this Capability to another Capability.
<T> T	getAttachment(Class<T> clazz) Get the attached object for a given key
Object	getAttribute(String key) Get the value of the given attribute
Map<String,Object>	getAttributes() Get the attributes
String	getDirective(String key) Get the value of the given directive
Map<String,String>	getDirectives() Get the directives
String	getNamespace() Returns the namespace of this capability.
Resource	getResource() Returns the resource declaring this capability.
int	hashCode() Returns the hashCode of this Capability.
<T> T	removeAttachment(Class<T> clazz) Remove an attached object for a given key
String	toString()
void	validate() Validate the capability

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractCapabilityWrapper

public AbstractCapabilityWrapper(XCapability delegate)

Method Detail

addAttachment

public <T> T addAttachment(Class<T> clazz,
                           T value)

Description copied from interface: XAttachmentSupport

Attach an arbirtary object with this element.

Specified by:

addAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The previously attachment object or null

getAttributes

public Map<String,Object> getAttributes()

Description copied from interface: XAttributeSupport

Get the attributes

Specified by:

getAttributes in interface XAttributeSupport

Specified by:

getAttributes in interface Capability

Returns:

An unmodifiable map of attribute names to attribute values for this capability, or an empty map if this capability has no attributes.

getDirectives

public Map<String,String> getDirectives()

Description copied from interface: XDirectiveSupport

Get the directives

Specified by:

getDirectives in interface XDirectiveSupport

Specified by:

getDirectives in interface Capability

Returns:

An unmodifiable map of directive names to directive values for this capability, or an empty map if this capability has no directives.

validate

public void validate()

Description copied from interface: XCapability

Validate the capability

Specified by:

validate in interface XCapability

getAttribute

public Object getAttribute(String key)

Description copied from interface: XAttributeSupport

Get the value of the given attribute

Specified by:

getAttribute in interface XAttributeSupport

Returns:

null if no such attribute is associated with this capability

getDirective

public String getDirective(String key)

Description copied from interface: XDirectiveSupport

Get the value of the given directive

Specified by:

getDirective in interface XDirectiveSupport

Returns:

null if no such directive is associated with this capability

getAttachment

public <T> T getAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Get the attached object for a given key

Specified by:

getAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null

removeAttachment

public <T> T removeAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Remove an attached object for a given key

Specified by:

removeAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null

getNamespace

public String getNamespace()

Description copied from interface: Capability

Returns the namespace of this capability.

Specified by:

getNamespace in interface Capability

Returns:

The namespace of this capability.

getResource

public Resource getResource()

Description copied from interface: Capability

Returns the resource declaring this capability.

Specified by:

getResource in interface Capability

Returns:

The resource declaring this capability.

adapt

public <T extends XCapability> T adapt(Class<T> clazz)

Description copied from interface: XCapability

Adapt this capability to another type

Specified by:

adapt in interface XCapability

equals

public boolean equals(Object obj)

Description copied from interface: Capability

Compares this Capability to another Capability.

This Capability is equal to another Capability if they have the same namespace, directives and attributes and are declared by the same resource.

Specified by:

equals in interface Capability

Overrides:

equals in class Object

Parameters:

obj - The object to compare against this Capability.

Returns:

true if this Capability is equal to the other object; false otherwise.

hashCode

public int hashCode()

Description copied from interface: Capability

Returns the hashCode of this Capability.

Specified by:

hashCode in interface Capability

Overrides:

hashCode in class Object

Returns:

The hashCode of this Capability.

toString

public String toString()

Overrides:

toString in class Object